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Finding the Fourth Proportional to 180,059.63, 248,475.62 and 99,485.42

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Solution

The fourth proportional to 180,059.63, 248,475.62 and 99,485.42 is: 137,286.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,059.63 : 248,475.62 = 99,485.42 : x
  2. Step 2: Convert to fraction form
    180,059.63/248,475.62 = 99,485.42/x
  3. Step 3: Cross multiply
    180,059.63x = 248,475.62 × 99,485.42
  4. Step 4: Simplify right side
    180,059.63x = 24,719,700,918.03
  5. Step 5: Solve for x
    x = 24,719,700,918.03/180,059.63
  6. Step 6: Final answer
    x = 137,286.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.